How To Fix GW228 - Memory error in SAP Gateway; read

SAP Error Message - Details

• Message type: E = Error

• Message class: GW - Message Texts for Gateway

• Message number: 228

• Message text: Memory error in SAP Gateway; read

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

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Smart SAP Assistant

• What is the cause and solution for SAP error message GW228 - Memory error in SAP Gateway; read ?

  The SAP error message GW228, which indicates a "Memory error in SAP Gateway; read," typically arises when there are issues related to memory allocation or resource limits in the SAP Gateway. This can occur due to various reasons, including insufficient memory resources, configuration issues, or problems with the underlying system.
  Causes:
  
  Insufficient Memory: The SAP Gateway may not have enough memory allocated to handle the requests being processed.
  High Load: A sudden spike in the number of requests or transactions can lead to memory exhaustion.
  Configuration Issues: Incorrect settings in the SAP Gateway configuration can lead to inefficient memory usage.
  Memory Leaks: There may be memory leaks in the application or in the Gateway itself, causing memory to be consumed without being released.
  System Limits: Operating system or database limits on memory usage may be reached.
  
  Solutions:
  
  Increase Memory Allocation: Review and increase the memory allocation for the SAP Gateway. This can be done by adjusting the parameters in the instance profile.
  Monitor System Performance: Use transaction codes like ST02 (Tune Summary) and ST03 (Workload Analysis) to monitor memory usage and identify bottlenecks.
  Check Configuration: Review the configuration settings for the SAP Gateway to ensure they are optimized for your workload.
  Restart the Gateway: Sometimes, a simple restart of the SAP Gateway can clear temporary memory issues.
  Analyze Logs: Check the Gateway logs (e.g., dev_gateway) for any additional error messages or warnings that could provide more context on the issue.
  Patch and Update: Ensure that your SAP system is up to date with the latest patches and updates, as these may contain fixes for known memory issues.
  Consult SAP Notes: Look for relevant SAP Notes that may address this specific error or provide guidance on memory management in the Gateway.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM50 (Process Overview) and SM66 (Global Process Overview) to monitor active processes and their memory consumption.
  SAP Gateway Configuration: Review the SAP Gateway configuration settings in transaction code SICF (Maintain Service) to ensure that services are properly configured.
  Performance Tuning: Consider performance tuning strategies for your SAP system, including adjusting buffer sizes and optimizing database performance.
  SAP Community and Support: Engage with the SAP Community or SAP Support for additional insights and assistance regarding this error.
  
  If the problem persists after trying the above solutions, it may be necessary to engage SAP Support for further investigation and resolution.